SD

Shijin Dong

BC Beijing Dream Ink Technologies Co.: 1 patents #1 of 4Top 25%
Overall (2021): #264,971 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10990864 Liquid metal-based information identification system Zhiqiang Cao, Yang Yu, Jing Liu 2021-04-27